Perhaps you should try some spelling variations:
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python python programming" (Expand search), "rpa python python python programming" (Expand search)
"coder coder vector aodv program" » "coder under vector aodv program" (Expand search), "coder model vector aodv program" (Expand search), "coder order vector aodv program" (Expand search), "coder coder vector opv program" (Expand search), "coder coder vector tv program" (Expand search), "coder coder vector abc program" (Expand search), "coder decoder vector aodv program" (Expand search), "code code vector aodv program" (Expand search), "decoder codec vector aodv program" (Expand search), "coder coder vector and program" (Expand search), "coder coder vector aedes program" (Expand search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coder vector aodv program") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder vector aodv program\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder vector aodv program ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder vector aodv program") OR ("api python python python programming"))*.